KR960041420A - 용액 안정성이 우수한 아연도금 강판용 크로메이트 처리용액 - Google Patents

용액 안정성이 우수한 아연도금 강판용 크로메이트 처리용액 Download PDF

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Publication number
KR960041420A
KR960041420A KR1019950010842A KR19950010842A KR960041420A KR 960041420 A KR960041420 A KR 960041420A KR 1019950010842 A KR1019950010842 A KR 1019950010842A KR 19950010842 A KR19950010842 A KR 19950010842A KR 960041420 A KR960041420 A KR 960041420A
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KR
South Korea
Prior art keywords
galvanized steel
chromate treatment
solution
steel sheet
ion
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KR1019950010842A
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English (en)
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KR0143484B1 (ko
Inventor
이윤주
한국진
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김만제
포항종합제철 주식회사
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Priority to KR1019950010842A priority Critical patent/KR0143484B1/ko
Publication of KR960041420A publication Critical patent/KR960041420A/ko
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Publication of KR0143484B1 publication Critical patent/KR0143484B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/30—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also trivalent chromium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
    • C23C22/33—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also phosphates

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

본 발명은 아연도금강판의 크로메이트 처리에 사용되는 용액에 관한 것으로, 아연도금강판의 황분제거가 가능할 뿐만아니라 저온에서 장시간 보관시에도 특성열화가 없는 용액 안정성이 우수한 아연도금강판용 크로메이트 처리용액을 제공하고자 하는데, 그 목적이 있다.
상기한 목적을 달성하기 위한 본 발명은 크롬 6가 이온:5~20g/ℓ, 상기 크롬 6가 이온으로부터 환원된 크롬 3가의 비율:15~45%, 인산:4~15g/ℓ, 지르코늄 이온:0.1~0.7g/ℓ, 코발트 이온:0.1~0.3g/ℓ, 및 나머지: 물로 조성되는 용액 안정성이 우수한 아연도금강판용 크로메이트 처리용액을 제공함을 그 요지로 한다.

Description

용액 안정성이 우수한 아연도금강판용 크로메이트 처리용액
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 크롬 6가 이온:5~20g/ℓ, 상기 크롬 6가 이온으로부터 환원된 크롬 3가의 비율:15~45%, 인산:4~15g/ℓ, 지르코늄 이온:0.1~0.7g/ℓ, 코발트 이온:0.1~0.3g/ℓ, 및 나머지: 물로 조성됨을 특징으로 하는 용액 안정성이 우수한 아연도금강판용 크로메이트 처리용액.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950010842A 1995-05-03 1995-05-03 용액안정성이 우수한 아연도금 강판용 크로메이트 처리용액 KR0143484B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950010842A KR0143484B1 (ko) 1995-05-03 1995-05-03 용액안정성이 우수한 아연도금 강판용 크로메이트 처리용액

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950010842A KR0143484B1 (ko) 1995-05-03 1995-05-03 용액안정성이 우수한 아연도금 강판용 크로메이트 처리용액

Publications (2)

Publication Number Publication Date
KR960041420A true KR960041420A (ko) 1996-12-19
KR0143484B1 KR0143484B1 (ko) 1998-08-17

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Application Number Title Priority Date Filing Date
KR1019950010842A KR0143484B1 (ko) 1995-05-03 1995-05-03 용액안정성이 우수한 아연도금 강판용 크로메이트 처리용액

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423441B1 (ko) * 1999-12-28 2004-03-19 주식회사 포스코 용액안정성이 우수한 연료탱크용 수지 피복 용액제조방법, 이로부터 제조된 수지피복 용액 및 이를이용하여 내알칼리성이 개선된 표면처리강판 제조방법
KR100554146B1 (ko) * 2001-11-14 2006-02-20 주식회사 포스코 아연도금강판용 크로메이트 처리방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423441B1 (ko) * 1999-12-28 2004-03-19 주식회사 포스코 용액안정성이 우수한 연료탱크용 수지 피복 용액제조방법, 이로부터 제조된 수지피복 용액 및 이를이용하여 내알칼리성이 개선된 표면처리강판 제조방법
KR100554146B1 (ko) * 2001-11-14 2006-02-20 주식회사 포스코 아연도금강판용 크로메이트 처리방법

Also Published As

Publication number Publication date
KR0143484B1 (ko) 1998-08-17

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